Consider the following 2 × 2 matrix A where two elements are unknown and are marked by a and b. The eigenvalues of this matrix are –1 and 7. What are the values of a and b? A = | 1 4 | | b a |

Consider the following 2 × 2 matrix A where two elements are unknown

1.	Consider the following 2 × 2 matrix A where two elements are unknown and are marked by a and b. The eigenvalues of this matrix are –1 and 7. What are the values of a and b? A = \| 1 4 \| \| b a \|
A.	a = 6, b = 4
B.	a = 4, b = 6
C.	a = 3, b = 5
D.	a = 5, b = 3
Answer» E.

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Consider the following 2 × 2 matrix A where two elements are unknown and are marked by a and b. The eigenvalues of this matrix are –1 and 7. What are the values of a and b? A = | 1 4 | | b a |

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